The Lions secured a semifinal spot with a mauling of the Griffons, while the Griquas claimed victory over Western Province with a try at the death in a dead-rubber match in Currie Cup action on Friday night.
The Sharks sealed their place in the Currie Cup semifinals with a 75-19 victory over the Griffons at Kings Park Stadium on Saturday.
The Pumas strengthened their bid for a play-off spot and intensified the pressure on the Cheetahs by securing a 45-26 victory over the Griffons in Welkom on Sunday.
The Cheetahs secured a 26-19 victory against Western Province in round six of the Currie Cup, extending their unbeaten streak in a match heavily impacted by rain and poor visibility.
The Sharks and Pumas enthralled as they played to an entertaining 44-all draw while Western Province beat the Griffons 39-17 in Saturday's Currie Cup action.
The Griffons almost pulled off a sensational come-from-behind victory but fell short as they went down 47-45 to the Cheetahs in their Currie Cup clash in Welkom.